How much Barr GH Booster to use?
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04-06-2006, 05:41 PM   #1
banderbe
Planted Tank Enthusiast

Join Date: Oct 2005
Location: Maple Grove, MN
Posts: 502

# How much Barr GH Booster to use?

I have seen a few threads on this subject with none of them having any real answer.

The Barr GH Booster sold by Greg Watson is supposed to be composed of CaSO4, K2SO4, and MgSO4 in a 3:3:1 ratio.

IF that is in fact true, then how can I figure out how much will raise some amount of liters of water by 1 degree? There are also some other things like iron chelate in there so I am not sure how that throws off any measurements. I could probably calculate this if a gram of GH booster was 3:3:1 and nothing else. then it is probably relatively simple to do the math and figure out how much Ca and Mg come out of 1 gram and how much that hardens a given volume of water.

I could just rely on test kits but wouldn't it be better to know based on hard science the effect this will have on water? That way I could even use it to verify my test kits are accurate, instead of just dosing and praying that my test kits are telling the truth.

Frankly I cannot believe that this stuff is being sold and the people selling it have no idea about how to use it.
__________________
Regards,
Barry

Member, Minnesota Aquarium Society
29 Gal. - 100% Eco-Complete/2x65W CF/CO2/Filstar XP2/RedSea500/KH:3/GH:5/pH:< 5.5/EI Dosing/WWC 50%

 04-07-2006, 03:06 AM #2 Anthony Wannabe Guru     PTrader: (10/100%) Join Date: Jan 2005 Location: Covington, LA. Posts: 1,072 I'm using it right now. 1 teaspoon raised my gh from 0, to 3 dgh in 40 gallons of water. So it 1/4 tsp will raise 10 gallons by a little less than 1 dkh. __________________ 40 gallon SeaClear Acrylic, 192 watt Orbit Lunar PC, Filstar XP2, Filstar XP1, JBJ Regulator, Rhinox 5000 glass co2 diffusor, 9 watt UV sterilizer, Hydor Inline Heater, Pool Filter Sand substrate Filstar pimp #53 How comes shoppings so stupid, looks at all this stuff I haves, what do I do's with it.
04-07-2006, 12:15 PM   #3
banderbe
Planted Tank Enthusiast

Join Date: Oct 2005
Location: Maple Grove, MN
Posts: 502

Quote:
 Originally Posted by Anthony I'm using it right now. 1 teaspoon raised my gh from 0, to 3 dgh in 40 gallons of water. So it 1/4 tsp will raise 10 gallons by a little less than 1 dkh.
Thanks Anthony. Did you obtain those results with a test kit? I am really more interested in an answer that is based on the known quantities in the mixture rather than the results of a test kit.

Greg, or Tom whose name is on the product, ought to have done the calculations based on the composition of Barr GH Booster to tell their customers that some amount will raise some volume of water by so many degrees.
__________________
Regards,
Barry

Member, Minnesota Aquarium Society
29 Gal. - 100% Eco-Complete/2x65W CF/CO2/Filstar XP2/RedSea500/KH:3/GH:5/pH:< 5.5/EI Dosing/WWC 50%

 04-08-2006, 03:02 AM #4 Anthony Wannabe Guru     PTrader: (10/100%) Join Date: Jan 2005 Location: Covington, LA. Posts: 1,072 That what I had posted my test results were on an earlier thread, and Tom nudged in and agreed that the measurements were about what they should've been. __________________ 40 gallon SeaClear Acrylic, 192 watt Orbit Lunar PC, Filstar XP2, Filstar XP1, JBJ Regulator, Rhinox 5000 glass co2 diffusor, 9 watt UV sterilizer, Hydor Inline Heater, Pool Filter Sand substrate Filstar pimp #53 How comes shoppings so stupid, looks at all this stuff I haves, what do I do's with it.
12-07-2006, 12:44 AM   #5
Naja002
Planted Tank Guru

Join Date: Oct 2005
Location: Usa
Posts: 2,601

Quote:
 Greg, or Tom whose name is on the product, ought to have done the calculations based on the composition of Barr GH Booster to tell their customers that some amount will raise some volume of water by so many degrees.
I agree. I have put forth a lot of time and energy trying to answer this same question.

Going By calculations from Seachem Equilibrium: I added 5 1/2 TSp to roughly 110g and it raised the Gh from 3 to 4.75 (roughly 1.75dh). I used the AP Test kit and 20ml of water, counted the drops and divided by 4.

Best I can tell 1/2 TSp/10g will raise the Gh by roughly 1.75....Which actually works out the same as:

Quote:
 So it 1/4 tsp will raise 10 gallons by a little less than 1 dkh.
HTH
__________________

 12-07-2006, 12:56 AM #6 Left C Planted Tank Guru     PTrader: (19/100%) Join Date: Nov 2003 Location: Burlington, NC Posts: 5,009 Greg told me to use the same amount as Equilibrium plus add an equal amount of Epsom salts. 1 tablespoon (16 grams) for every 20 gallons will raise the GH by 3 degrees or 1 meg/L.
 12-07-2006, 01:00 AM #7 Naja002 Planted Tank Guru     PTrader: (50/100%) Join Date: Oct 2005 Location: Usa Posts: 2,601 Thanx.... But: 1) That should be on the website or Package where it can be found...IMO and 2) Why add Epsoms Salts? The Mg should already be in the Booster..... I'm assuming it has something to do with Your specific tank....? Thanx Again! __________________
 12-07-2006, 01:23 AM #8 banderbe Planted Tank Enthusiast     PTrader: (5/100%) Join Date: Oct 2005 Location: Maple Grove, MN Posts: 502 Mg is already in the GH Booster. Epsom salt is not required. __________________ Regards, Barry FILSTAR Advocate #39 Member, Minnesota Aquarium Society 29 Gal. - 100% Eco-Complete/2x65W CF/CO2/Filstar XP2/RedSea500/KH:3/GH:5/pH:< 5.5/EI Dosing/WWC 50%
 12-07-2006, 07:37 AM #10 plantbrain Planted Tank Guru     PTrader: (265/100%) Join Date: Dec 2003 Location: The swamp Posts: 13,569 Greg took some reference I made on nutrient ratios from some Report article I wrote on the each and then put my name on it. I do not like my name attached to such products, but being DIY and cheaper than dirt, I do not bug Greg too much about it. I do not make it, therefore I am not sure what is in it. Best to ask Greg. Or brush up on your chem and test it. Regards, Tom Barr __________________ Regards, Tom Barr
09-01-2010, 04:50 PM   #11
Anubis303
Newbie

Join Date: Sep 2010
Posts: 2

Quote:
 Originally Posted by Anthony I'm using it right now. 1 teaspoon raised my gh from 0, to 3 dgh in 40 gallons of water. So it 1/4 tsp will raise 10 gallons by a little less than 1 dkh.
How often do you apply 1 tsp to your 40g? weekly?

09-02-2010, 12:19 AM   #12
plantbrain
Planted Tank Guru

Join Date: Dec 2003
Location: The swamp
Posts: 13,569

Quote:
 Originally Posted by banderbe Thanks Anthony. Did you obtain those results with a test kit? I am really more interested in an answer that is based on the known quantities in the mixture rather than the results of a test kit. Greg, or Tom whose name is on the product, ought to have done the calculations based on the composition of Barr GH Booster to tell their customers that some amount will raise some volume of water by so many degrees.
Neither I nor Greg own anything with respect to the folks that sell this product.
I also do not make it.

I do use it, I add 1 tsp per 60gal, a tad more, once a week on a typical tank with CO2. This adds about 2.5 GH or plenty to ensure no limitations for Ca/Mg in my super soft tap water.

I'm less concerned about precise ppm to the last digit, as long as I'm well above a limiting condition, my horticulture is dandy.

I'm more interested in CO2 or light.

The above dosing seems to work well for plants, I'm sure folks could add more if they wanted to.......... or less in some cases......but it's cheap and this offers fairly wide room for error.

Regards,
Tom Barr
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Regards,
Tom Barr

09-02-2010, 12:22 AM   #13
plantbrain
Planted Tank Guru

Join Date: Dec 2003
Location: The swamp
Posts: 13,569

Quote:
 Originally Posted by Naja002 Thanx.... But: 1) That should be on the website or Package where it can be found...IMO Thanx Again!
I agree, but.........Don't blame us, we are not selling it!!

Someone(several actually) asked me a formulation was all, I gave them a modified version of the SeaChem product.

My name got stuck in there for some odd reason.

Greg no longer sells ferts, he hasn't for a few years FYI.

Regards,
Tom Barr
__________________
Regards,
Tom Barr

 10-18-2010, 01:42 AM #14 Fishstein Planted Member   PTrader: (5/100%) Join Date: Jun 2006 Location: San Francisco Bay Area Posts: 222 Most reliable Barr GH guideline; CSM + B a) I'm thinking of replacing Equilibrium with Barr GH Booster. What's the most reliable measure guideline? 1 tsp raises 60g by 2.5 GH? Same dosing as Seachem Equilibrium? According to Seachem, 2.5 teaspoons Equilibrium per 10 gallons raises GH by 5 dH. b) Is there anything potentially harmful about Barr GH Booster (sorry Tom I know it's not yours)? Some hobbyists say these use Equilibrium because there are things in Barr GH Booster that they don't like. Doubt there's anything harmful in Barr GH Booster, just want to be safe and check. c) I started using CSM+B instead of Flourish Excel. My local water is very soft (nearly 0 PPM GH and KH). Should I be adding Epsom salts in equal amounts as CSM+B? For example, if I add 1/32 teaspoon CSM+B for a 23 gallon tank daily (I dose daily), should I be adding 1/32 teaspoon Epsom Salt daily?
10-18-2010, 07:37 PM   #15
bsmith
Planted Tank Guru

Join Date: Jan 2007
Location: St.Louis, MO
Posts: 9,059

Quote:
 Originally Posted by Fishstein a) I'm thinking of replacing Equilibrium with Barr GH Booster. What's the most reliable measure guideline? 1 tsp raises 60g by 2.5 GH? Same dosing as Seachem Equilibrium? According to Seachem, 2.5 teaspoons Equilibrium per 10 gallons raises GH by 5 dH. b) Is there anything potentially harmful about Barr GH Booster (sorry Tom I know it's not yours)? Some hobbyists say these use Equilibrium because there are things in Barr GH Booster that they don't like. Doubt there's anything harmful in Barr GH Booster, just want to be safe and check. c) I started using CSM+B instead of Flourish Excel. My local water is very soft (nearly 0 PPM GH and KH). Should I be adding Epsom salts in equal amounts as CSM+B? For example, if I add 1/32 teaspoon CSM+B for a 23 gallon tank daily (I dose daily), should I be adding 1/32 teaspoon Epsom Salt daily?
You mean regular flourish?

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